Pith Number

pith:S2QUKHTZ

pith:2022:S2QUKHTZ5RCSCZBF47GDFXKZSX

not attested not anchored not stored refs pending

Leaving No One Behind: A Multi-Scenario Multi-Task Meta Learning Approach for Advertiser Modeling

Bo Zheng, Jian Xu, Qianqian Zhang, Quan Liu, Xinru Liao

arxiv:2201.06814 v2 · 2022-01-18 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2QUKHTZ5RCSCZBF47GDFXKZSX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:58:06.005902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a1451e79ec45216425e7cc32dd5995c0dad2f70e2c79d829eef7c2874a76f3

Aliases

arxiv: 2201.06814 · arxiv_version: 2201.06814v2 · doi: 10.48550/arxiv.2201.06814 · pith_short_12: S2QUKHTZ5RCS · pith_short_16: S2QUKHTZ5RCSCZBF · pith_short_8: S2QUKHTZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/S2QUKHTZ5RCSCZBF47GDFXKZSX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 96a1451e79ec45216425e7cc32dd5995c0dad2f70e2c79d829eef7c2874a76f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a886dd6ae328d622b8e7c979dc4ca180c04737928d1d97c37771fd33ef560a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-18T08:35:36Z",
    "title_canon_sha256": "4e62905d9ed18e6ebea46ecbe326f8c44a7749886904d75a37764a8a68068fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06814",
    "kind": "arxiv",
    "version": 2
  }
}